|Year|Entrant|Chassis|Engine|Tyres|Drivers|1|2|3|4|5|6|7|8|9|10|11|12|13|14|15|16|17|Points|WCC|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|1998|Mild Seven Benetton|Benetton B198|GC37-01 V10|B||AUS|BRA|ARG|SMR|ESP|MON|CAN|FRA|GBR|AUT|GER|HUN|BEL|ITA|LUX|JPN||33|5th|
|1998|Mild Seven Benetton|Benetton B198|GC37-01 V10|B|Giancarlo Fisichella|Ret|6|7|Ret|Ret|2|2|9|5|Ret|7|8|Ret|8|6|8||33|5th|
|1998|Mild Seven Benetton|Benetton B198|GC37-01 V10|B|Alexander Wurz|7|4|4|Ret|4|Ret|4|5|4|9|11|16|Ret|Ret|7|9||33|5th|
|1999|Mild Seven Benetton|Benetton B199|FB01 V10|B||AUS|BRA|SMR|MON|ESP|CAN|FRA|GBR|AUT|GER|HUN|BEL|ITA|EUR|MAL|JPN||16|6th|
|1999|Mild Seven Benetton|Benetton B199|FB01 V10|B|Giancarlo Fisichella|4|Ret|5|5|9|2|Ret|7|12|Ret|Ret|11|Ret|Ret|11|14||16|6th|
|1999|Mild Seven Benetton|Benetton B199|FB01 V10|B|Alexander Wurz|Ret|7|Ret|6|10|Ret|Ret|10|5|7|7|14|Ret|Ret|8|10||16|6th|
|2000|Mild Seven Benetton|Benetton B200|FB02 V10|B||AUS|BRA|SMR|GBR|ESP|EUR|MON|CAN|FRA|AUT|GER|HUN|BEL|ITA|USA|JPN|MAL|20|4th|
|2000|Mild Seven Benetton|Benetton B200|FB02 V10|B|Giancarlo Fisichella|5|2|11|7|9|5|3|3|9|Ret|Ret|Ret|Ret|11|Ret|14|9|20|4th|
|2000|Mild Seven Benetton|Benetton B200|FB02 V10|B|Alexander Wurz|7|Ret|9|9|10|12|Ret|9|Ret|10|Ret|11|13|5|10|Ret|7|20|4th|

Question: when was the benetton b198 chassis used?
Answer: 1998